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نبيل أحمد الزقري

Associate Professor

عضو هيئة تدريس

كلية العلوم
مبنى 5 الدور الثاني مكتب رقم 2A97
publication
Patent
2018

Method of synthesizing (E)-1,2-di(pyridin-2-yl) ethene-1,2-diol

Zarrouqk), Nabil Ahmed Qassim Al-Zeqri, Ismail Khalil Warad, Firas Fandi Awwadi, Ali Mohammed Alsalme, Anas Khaled Abed Alali, Abdelkader . 2018

The method of synthesizing (E)-1,2-di(pyridine-2-yl)ethene-1,2-diol involves dimerization of 2-pyridinecarboxaldehyde (also referred to herein as “picolinaldehyde”). The synthesis of the desired ethene-1,2-diol is achieved using a Cu(II) catalyst to dimerize picolinaldehyde under mild conditions. Preferably, the Cu(II) catalyst is a Cu(II)/neocuproine (2,9-dimethyl-1,10-phenanthroline) complex, or other Cu(II)/phen complex. The reaction in this embodiment may occur at room atmosphere and in ambient light conditions using a water/ROH solvent. The exemplary ethene-1,2-diol product, (E)-1,2-di(pyridin-2-yl)ethene-1,2-diol has the following structural formula:

Publication Work Type
بحث علمي
Patent Number
10017474
Sponsoring Organization
جامعة الملك سعود
more of publication
publications

The method of synthesizing (E)-1,2-di(pyridine-2-yl)ethene-1,2-diol involves dimerization of 2-pyridinecarboxaldehyde (also referred to herein as “picolinaldehyde”). The synthesis of the desired…

by Nabil Ahmed Qassim Al-Zeqri, Ismail Khalil Warad, Firas Fandi Awwadi, Ali Mohammed Alsalme, Anas Khaled Abed Alali, Abdelkader Zarrouqk)
2018
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Novel hybrid xerogel materials were synthesized by a sol-gel procedure. n-octadecyltriethoxysilane was co-condensed with and without different cross-linkers using Q0…

by Ismail Warad 1,*,Omar Abd-Elkader H 2,3,Saud Al-Resayes 1,Ahmad Husein 4,Mohammed Al-Nuri 4,Ahmed Boshaala 5,Nabil Al-Zaqri 1 andTaibi Ben Hadda
2012
publications

The preparation of new [MeC(CH2PPh2)3CuCl] 1 and its derivatives was carried out directly by mixing of CuCl and MeC(CH2PPh2)3 ligand in dry THF, the neutral precursor 1 served to prepare [MeC(…

by Ismail Warad, Omar H Abd-Elkader, Ahmed Boshaala, Nabil Al-Zaqri, Belkheir Hammouti & Taibi Ben Hadda
2013